-
- return result;
-}
-
-bool
-Perl_grok_bslash_o(pTHX_ const char *s,
- UV *uv,
- STRLEN *len,
- const char** error_msg,
- const bool output_warning)
-{
-
-/* Documentation to be supplied when interface nailed down finally
- * This returns FALSE if there is an error which the caller need not recover
- * from; , otherwise TRUE. In either case the caller should look at *len
- * On input:
- * s points to a string that begins with 'o', and the previous character
- * was a backslash.
- * uv points to a UV that will hold the output value, valid only if the
- * return from the function is TRUE
- * len on success will point to the next character in the string past the
- * end of this construct.
- * on failure, it will point to the failure
- * error_msg is a pointer that will be set to an internal buffer giving an
- * error message upon failure (the return is FALSE). Untouched if
- * function succeeds
- * output_warning says whether to output any warning messages, or suppress
- * them
- */
- const char* e;
- STRLEN numbers_len;
- I32 flags = PERL_SCAN_ALLOW_UNDERSCORES
- | PERL_SCAN_DISALLOW_PREFIX
- /* XXX Until the message is improved in grok_oct, handle errors
- * ourselves */
- | PERL_SCAN_SILENT_ILLDIGIT;
-
- PERL_ARGS_ASSERT_GROK_BSLASH_O;
-
-
- assert(*s == 'o');
- s++;
-
- if (*s != '{') {
- *len = 1; /* Move past the o */
- *error_msg = "Missing braces on \\o{}";
- return FALSE;
- }
-
- e = strchr(s, '}');
- if (!e) {
- *len = 2; /* Move past the o{ */
- *error_msg = "Missing right brace on \\o{";
- return FALSE;
- }
-
- /* Return past the '}' no matter what is inside the braces */
- *len = e - s + 2; /* 2 = 1 for the o + 1 for the '}' */
-
- s++; /* Point to first digit */
-
- numbers_len = e - s;
- if (numbers_len == 0) {
- *error_msg = "Number with no digits";
- return FALSE;
- }
-
- *uv = NATIVE_TO_UNI(grok_oct(s, &numbers_len, &flags, NULL));
- /* Note that if has non-octal, will ignore everything starting with that up
- * to the '}' */
-
- if (output_warning && numbers_len != (STRLEN) (e - s)) {
- Perl_ck_warner(aTHX_ packWARN(WARN_DIGIT),
- /* diag_listed_as: Non-octal character '%c'. Resolved as "%s" */
- "Non-octal character '%c'. Resolved as \"\\o{%.*s}\"",
- *(s + numbers_len),
- (int) numbers_len,
- s);
- }
-
- return TRUE;